diff --git src/bp-groups/bp-groups-activity.php src/bp-groups/bp-groups-activity.php
index 1cafacd66..ce89642fd 100644
--- src/bp-groups/bp-groups-activity.php
+++ src/bp-groups/bp-groups-activity.php
@@ -651,23 +651,27 @@ function groups_post_update( $args = '' ) {
  */
 function bp_groups_filter_activity_user_can_delete( $retval, $activity ) {
 	// Bail if no current user.
+	// Todo: add second conditional statement to check the state to allow group activity deletions.
+	// e.g., "|| ! bp_enable_group_activity_deletions()".
 	if ( ! is_user_logged_in() ) {
 		return $retval;
 	}
 
-	if ( isset( $activity->component ) || 'groups' !== $activity->component ) {
+	// The second conditional statement does not allow "site admin" activity posts to be deleted by "non site admins".
+	if ( bp_current_user_can( 'bp_moderate' ) || bp_user_can( $activity->user_id, 'bp_moderate' ) ) {
 		return $retval;
 	}
 
-	// Trust the passed value for administrators.
-	if ( bp_current_user_can( 'bp_moderate' ) ) {
-		return $retval;
-	}
+	$bp = buddypress();
 
-	// Group administrators or moderators can delete content in that group that doesn't belong to them.
-	$group_id = $activity->item_id;
-	if ( groups_is_user_admin( bp_loggedin_user_id(), $group_id ) || groups_is_user_mod( bp_loggedin_user_id(), $group_id ) ) {
-		$retval = true;
+	// Confine group activity deletion to the confines of the respective group where it is allowed.
+	if ( ! empty( $bp->groups->current_group->id ) ) {
+		$group_id = $bp->groups->current_group->id;
+
+		// Todo: break this out into additional conditionals that provide granularity as to who can to what, when.
+		if ( groups_is_user_creator( bp_loggedin_user_id(), $group_id ) || groups_is_user_admin( bp_loggedin_user_id(), $group_id ) || groups_is_user_mod( bp_loggedin_user_id(), $group_id ) ) {
+			$retval = true;
+		}
 	}
 
 	return $retval;